KR20230073227A - 편광 필름의 제조 방법 - Google Patents

편광 필름의 제조 방법 Download PDF

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Publication number
KR20230073227A
KR20230073227A KR1020237010877A KR20237010877A KR20230073227A KR 20230073227 A KR20230073227 A KR 20230073227A KR 1020237010877 A KR1020237010877 A KR 1020237010877A KR 20237010877 A KR20237010877 A KR 20237010877A KR 20230073227 A KR20230073227 A KR 20230073227A
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KR
South Korea
Prior art keywords
stretching
film
polarizing film
bridge
temperature
Prior art date
Application number
KR1020237010877A
Other languages
English (en)
Korean (ko)
Inventor
히로후미 다나베
게이지 다카나시
요시히사 츠지
Original Assignee
주식회사 쿠라레
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 쿠라레 filed Critical 주식회사 쿠라레
Publication of KR20230073227A publication Critical patent/KR20230073227A/ko

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/06Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J129/00Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Adhesives based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Adhesives based on derivatives of such polymers
    • C09J129/02Homopolymers or copolymers of unsaturated alcohols
    • C09J129/04Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2329/00Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
    • C08J2329/02Homopolymers or copolymers of unsaturated alcohols
    • C08J2329/04Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polarising Elements (AREA)
KR1020237010877A 2020-09-30 2021-09-29 편광 필름의 제조 방법 KR20230073227A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020165186 2020-09-30
JPJP-P-2020-165186 2020-09-30
PCT/JP2021/035795 WO2022071372A1 (ja) 2020-09-30 2021-09-29 偏光フィルムの製造方法

Publications (1)

Publication Number Publication Date
KR20230073227A true KR20230073227A (ko) 2023-05-25

Family

ID=80949195

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020237010877A KR20230073227A (ko) 2020-09-30 2021-09-29 편광 필름의 제조 방법

Country Status (5)

Country Link
JP (1) JPWO2022071372A1 (zh)
KR (1) KR20230073227A (zh)
CN (1) CN116234678A (zh)
TW (1) TW202222931A (zh)
WO (1) WO2022071372A1 (zh)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017138551A1 (ja) 2016-02-09 2017-08-17 株式会社クラレ 偏光フィルム及びその製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005266325A (ja) * 2004-03-18 2005-09-29 Nitto Denko Corp 偏光フィルムの製造方法、偏光フィルムおよびそれを用いた光学フィルムならびに画像表示装置
JP2008134270A (ja) * 2006-10-27 2008-06-12 Nitto Denko Corp 液晶パネル、及び液晶表示装置
JP4824041B2 (ja) * 2008-01-17 2011-11-24 日東電工株式会社 偏光子の製造方法
JP6822641B2 (ja) * 2015-06-03 2021-01-27 エルジー・ケム・リミテッド 偏光子の製造方法およびこれを用いて製造される偏光子
KR20170053037A (ko) * 2015-11-05 2017-05-15 스미또모 가가꾸 가부시키가이샤 편광자 및 그의 제조방법

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017138551A1 (ja) 2016-02-09 2017-08-17 株式会社クラレ 偏光フィルム及びその製造方法

Also Published As

Publication number Publication date
CN116234678A (zh) 2023-06-06
TW202222931A (zh) 2022-06-16
WO2022071372A1 (ja) 2022-04-07
JPWO2022071372A1 (zh) 2022-04-07

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